flutter shell u. emacs

Shells/flutter/test/go/cmd/main.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	"fmt"
+	"image"
+	_ "image/png"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/go-flutter-desktop/go-flutter"
+	"github.com/pkg/errors"
+)
+
+// vmArguments may be set by hover at compile-time
+var vmArguments string
+
+func main() {
+	// DO NOT EDIT, add options in options.go
+	mainOptions := []flutter.Option{
+		flutter.OptionVMArguments(strings.Split(vmArguments, ";")),
+		flutter.WindowIcon(iconProvider),
+	}
+	err := flutter.Run(append(options, mainOptions...)...)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}
+
+func iconProvider() ([]image.Image, error) {
+	execPath, err := os.Executable()
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to resolve executable path")
+	}
+	execPath, err = filepath.EvalSymlinks(execPath)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to eval symlinks for executable path")
+	}
+	imgFile, err := os.Open(filepath.Join(filepath.Dir(execPath), "assets", "icon.png"))
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to open assets/icon.png")
+	}
+	img, _, err := image.Decode(imgFile)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to decode image")
+	}
+	return []image.Image{img}, nil
+}

Shells/flutter/test/go/cmd/options.go

@@ -0,0 +1,9 @@
+package main
+
+import (
+	"github.com/go-flutter-desktop/go-flutter"
+)
+
+var options = []flutter.Option{
+	flutter.WindowInitialDimensions(800, 1280),
+}